*Short CV*

- BSc Physics, University of Costa Rica (2008-2014)
- MSc Physics, Space Research Center, University of Costa Rica (2014-2018)
- Doktorand, Emmy Noether Group on Massive Star Formation, Institute of Astronomy and Astrophysics, University of Tübingen, Germany (2018-)

## Talks

- Multiplicity of High-mass Star Formation due to Disk Fragmentation - AG Meeting 2019, Stuttgart, Germany. - movie (midplane density)

## Articles

- A Visualization of Null Geodesics for the Bonnor Massive Dipole. (Oliva, Bonatti, Cordero, Frutos; 2015). Revista de Matemática: Teoría y Aplicaciones, CIMPA, UCR. 22(2) 255-264.
- A Numerical study of a Kerr-like metric. (Oliva, Frutos, Bonatti, Gonzalez; 2016). Presented in Simmac 2016, University of Costa Rica.

## Software

- Ujti 3 Software for (general relativistic) ray tracing given an axisymmetric metric. Calculates the shape, general relativistic redshift and thermal spectrum of a neutron star, as well as the light curves from circular hotspots.
- Ujti 2. Ray tracing for arbitrary metrics, including gravitational lenses.

## Projects

- Introductory Physics textbook (Spanish)
- Advanced manipulation of sympy expressions. How to do algebraic manipulations on parts of expressions (such as factorizing or expanding only certain terms) in Sympy.
- Logarithms and slide rules. How to build and use a two-significant-figure slide rule from scratch, by hand.